@function _linear-positions-parser($pos) {
    $type: type-of(nth($pos, 1));
    $spec: null;
    $degree: null;
    $side: null;
    $corner: null;
    $length: length($pos);
    // Parse Side and corner positions
    @if ($length > 1) {
        @if nth($pos, 1) == "to" { // Newer syntax
            $side: nth($pos, 2);

            @if $length == 2 { // eg. to top
                // Swap for backwards compatibility
                $degree: _position-flipper(nth($pos, 2));
            } @else if $length == 3 { // eg. to top left
                $corner: nth($pos, 3);
            }
        } @else if $length == 2 { // Older syntax ("top left")
            $side: _position-flipper(nth($pos, 1));
            $corner: _position-flipper(nth($pos, 2));
        }

        @if ("#{$side} #{$corner}" == "left top") or ("#{$side} #{$corner}" == "top left") {
            $degree: _position-flipper(#{$side}) _position-flipper(#{$corner});
        } @else if ("#{$side} #{$corner}" == "right top") or ("#{$side} #{$corner}" == "top right") {
            $degree: _position-flipper(#{$side}) _position-flipper(#{$corner});
        } @else if ("#{$side} #{$corner}" == "right bottom") or ("#{$side} #{$corner}" == "bottom right") {
            $degree: _position-flipper(#{$side}) _position-flipper(#{$corner});
        } @else if ("#{$side} #{$corner}" == "left bottom") or ("#{$side} #{$corner}" == "bottom left") {
            $degree: _position-flipper(#{$side}) _position-flipper(#{$corner});
        }
        $spec: to $side $corner;
    } @else if $length == 1 {
        // Swap for backwards compatibility
        @if $type == string {
            $degree: $pos;
            $spec: to _position-flipper($pos);
        } @else {
            $degree: -270 - $pos; //rotate the gradient opposite from spec
            $spec: $pos;
        }
    }
    $degree: unquote($degree + ",");
    $spec: unquote($spec + ",");
    @return $degree $spec;
}

@function _position-flipper($pos) {
    @return if($pos == left, right, null) if($pos == right, left, null) if($pos == top, bottom, null) if($pos == bottom, top, null);
}